| Test Name: |
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Prealbumin
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| Test Code(s): |
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PREALB / XPRALB
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| CPT Code(s): |
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84134
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| Methodology: |
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Nephelometry
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: 1 hour.
Routine: 4 hours.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: Green cap with yellow ring (PST)
Also Acceptable:
Green top,
Red cap with yellow ring (SST),
Red top
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| Collection Volume: |
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Preferred: 1 mL
Pediatrics: 0.4 mL
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| Sample Analyzed: |
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Plasma or serum
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| Volume Required: |
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Preferred: 0.5 mL
Pediatrics: 0.2 mL
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| Specimen Processing: |
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Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial within 2 hours of collection. Refrigerate.
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.
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| Stability: |
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Refrigerated: 7 days
Frozen: 1 year if frozen within 24 hours of collection; avoid repeat freeze-thaw cycles
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Interpretation
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Reference Interval:
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| Age: |
mg/dL |
| 1-11 months |
8.3-34.0 |
| 1-5 years |
14.0-30.0 |
| 6-9 years |
15.0-33.0 |
| 10-13 years |
20.0-36.0 |
| 14-17 years |
22.0-45.0 |
| 18 years and up |
20.0-45.0 |
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| Additional Information: |
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This protein is also known as transthyretin.
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